#include <stdio.h>
int main()
{
	int num = 520;
	const int cnum = 880;
	const int * const p = &num;
	const int * const *pp = &p;

	printf("pp:%p  &p:%p\n",pp,&p);
	printf("pp:%p  p:%p  &num:%p\n",*pp,p,&num);
	printf("**pp:%d  *p:%d  num:%d\n",**pp,*p,num);

	return 0;
}
